NSKOV rarity 3 prong?

[FOBC]

Have this nskov badge seen a lot of the pin type are the 3 prong more rare?? i read some where if the eagle head turns right its made after 1940 were more made at the offset of the war or are the pre 1940 more scarce any opinions welcomed

[stonemint]

Yours is a 1936-39 pattern eagle. 3 prongs are common with these. You will occasionally see pin-back examples.
I never compared which is more common, but the 36-39 patterns are more desirable, as they are usually made out of tomback, while the second pattern are often zinc.

[FOBC]

thanks for the info